Cam bering-machine



Patented Dec. 25,1894.

I f A /Nl/ENTOI? v fw? @M7 W@ H. C. RYDING.

GAMBBRING AMAGHINEI..

' I(Hummel.)

- No. 531,448. f

WTNESSE. Y

UNITED STATES' PATENT OFFICE."

HERBERT O. RYDING, OF JOHNSTOWN, .PENNSYLVANIA .CAMBERlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 531,448, dated December25, 1894.

Application iiled July 21, 1894.' Serial No. 518334. (No model.)

.To all whom t may concern,.-

Be it known that LHERBERT C. RYING, of Johnstown, count-y of Cambria,State of Pennsylvania, have invented a new and useful Improvement inCambering-Machines, of which the following specification is a true andexact -machine.

There' are 'several types of cambering 1nachinos. The type to which minebelongs consists essentially of a pair of horizontal driven rollsbetween which the rail passes, and two vertical rolls one on each sideof the horizontal rolls and so set out of line with the pass in thehorizontal rolls as to force the rail in a curved direction. Myinvention consists in substituting for one of these vertical rolls apair of horizontal rolls as I will describe.

In the drawings Figure l represents a top view of a camberingmachine'constructed in accordance with my invention, and Fig. 2represents a vertical section of Fig. l on line X X.

I-I, I-l are the housings and R R a pair of rolls mounted therein. Theserolls are of such configuration that they will grasp,witho utdistorting, the rail or bar B to be cambered, and.A they are connectedwith any suitable` power by the usual couplings. Mounted on the samehousing and immediately in front of the rolls R, R is the pair of rollsfr, r. These rolls run loose, that is, they are operated by the frictionof the rail as it is drawn between them by the rolls R, R. They areAalso shaped so as to grasp the rail but they need not be eX- actlythesame configuration as R and R. Their function is to support the railhorizontally, and to that end they are so formed that they engagethetlange F ot' rail B. It might be necessary in some cases to form themsimilar to the other rolls R, R the shaping of these of rail or bar tobecarnbered. On the opposite side of the main rolls is the vertical rollV. The pivotP of this roll is eccentrically 'A carrying on their endsthe little roller or wheel W. v

Normally the armsA stand directly across the path of a rail issuing fromrolls R,R and in this position the rollV is out of the path of the railas it issues straight from rollsV R, R. The end of the rail meeting thearms A or roll W push them around out of its path and this, revolvingthe trunnions T, brings the roll V into action against the rail andforces it out of a straight line. roll V a fixed one may be used.

I do not herein claim the above described manner of mounting the roll Vas I have already claimed it in Patent No. 52Q,865 heretofore granted tome.

Instead of this adjustable n It will now be seen that the function ofrolls fr, r is to deliver the rail in a straight line to the rolls R, Rand prevent the roll V from forcing the rail in a diagonal positiontherein instead of. bending it. The screws S bearing against the rolls1', r aord means for accurately adjusting the rolls so as to deliver therail as desired. It is immaterial which pair of rolls be the drivenones, as the power could -be as well applied to the first as the secondset.

bend the effect of this very limited contact is to crush and badlydistort them.`

As my rolls r fr are located, their axes are 'parallel to the thrustfrom the rail which thrust is consequently received against the shoulderofthe rolls which engages the flanges F. In this manner I afford a muchgreater area of contact against the rail and obviate the distortionotherwise occurring.

The closer the rolls z fr are to the rolls R R IOQ the greater thisthrust becomes owing to the greater leverage and the more apparent becomes the advantages of the pair of horizon tal rolls over the singlevertical one.

Having thus fully described my invention, what I claim, and desire toprotect by Letters Patent, is

l. A cambering machine consisting of two parallel pairs of rolls betweenwhich the rail zo passes, saidprolls having passes adapted to receivethe rail and support it in a direction parallel to the axis of the rollsand a cambering roll set at right angles to the first mentioned rollsand adapted to engage the rail x 5 after it has passed between the firstmentioned rolls and force it into a curved position.

2. A cambering machine consisting of two pair of rolls, having theiraxes parallel and each pair having flanges or shoulders adapted 2o tosupport the rail lengthwise of the rolls as shoulders as describedadapted to support the rail in the plane of bending.

4t. A cambering machine consisting of a pair of driven rolls havingapass adapted to grasp and draw through the rail to be cambered, a pairof idle rolls between which the rail passes and parallel to the firstmentioned rolls, both said pairs of rolls having shoulders or flangessubstantially perpendicular to the axis of the rolls which shoulders orflanges are adapted to aord support'to the rail While being cambered,and a cambering roll having its axis perpendicular to the other rollsand adapted to act against the rail.

5. In a cambering machine in combination with a pair of driven rollshaving a pass between them adapted to receive the bar to be cainbered,and a eambering roll set at right angles thereto, a pair of rolls havingtheir axis substantially parallel to the axis of the first mentionedpair ot rolls and so formed that as the rail passes between them theyare adapted to support it in the direction ot' their length against theaction of the cambering roll.

In testimony whereof l have affixed my si gnature in presence of twowitnesses.

HERBERT C. RYDING.

Writnesses:

WM. F. SALTMARSH, J. L. CHAPMAN.

